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CVE-2013-1226

6.1 · MEDIUM

The Ethernet frame-forwarding implementation in Cisco NX-OS on Nexus 7000 devices allows remote attackers to cause a denial of service (forwarding loop and service outage) via a crafted frame, aka…

Published Apr 29, 2013ciscoCWE-119EPSS 0.71%

Overview

CVE-2013-1226 is a medium-severity vulnerability affecting cisco nx-os. It was published on April 29, 2013 and has a CVSS 2.0 base score of 6.1 (MEDIUM).

This vulnerability has a CVSS 2.0 base score of 6.1, rated MEDIUM. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.

Technical description

The Ethernet frame-forwarding implementation in Cisco NX-OS on Nexus 7000 devices allows remote attackers to cause a denial of service (forwarding loop and service outage) via a crafted frame, aka Bug ID CSCug47098.

Remediation

Check the references section for vendor advisories and patches from cisco. Update nx-os to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

Affected products

VendorProductVersionsStatus

References

Reftools.cisco.com/security/center/content/CiscoSecurityNotice/CVE-2013-1226Reftools.cisco.com/security/center/content/CiscoSecurityNotice/CVE-2013-1226

How CyberStrike helps

Frequently asked questions

What is CVE-2013-1226?

CVE-2013-1226 is a medium-severity vulnerability affecting cisco nx-os. It was published on April 29, 2013 and has a CVSS 2.0 base score of 6.1 (MEDIUM).

How severe is CVE-2013-1226?

This vulnerability has a CVSS 2.0 base score of 6.1, rated MEDIUM. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2013-1226?

Check the references section for vendor advisories and patches from cisco. Update nx-os to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2013-1226?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2013-1226 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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